﻿using System;
using System.Data;
using System.Text;
using System.Data.SqlClient;
using Catering_DBOpertion;
namespace Catering_Operation
{
	/// <summary>
	/// 数据访问类:DishNutrien
	/// </summary>
	public partial class DishNutrien
	{
		public DishNutrien()
		{}
		#region  Method

		/// <summary>
		/// 得到最大ID
		/// </summary>
		public int GetMaxId()
		{
		return DbHelperSQL.GetMaxID("id", "DishNutrien"); 
		}

		/// <summary>
		/// 是否存在该记录
		/// </summary>
		public bool Exists(int id)
		{
			StringBuilder strSql=new StringBuilder();
			strSql.Append("select count(1) from DishNutrien");
			strSql.Append(" where id=@id");
			SqlParameter[] parameters = {
					new SqlParameter("@id", SqlDbType.Int,4)
};
			parameters[0].Value = id;

			return DbHelperSQL.Exists(strSql.ToString(),parameters);
		}


		/// <summary>
		/// 增加一条数据
		/// </summary>
		public int Add(Catering_Model.DishNutrien model)
		{
			StringBuilder strSql=new StringBuilder();
			strSql.Append("insert into DishNutrien(");
			strSql.Append("Dishid,element_name,Content,fatherid,temp1,temp2)");
			strSql.Append(" values (");
			strSql.Append("@Dishid,@element_name,@Content,@fatherid,@temp1,@temp2)");
			strSql.Append(";select @@IDENTITY");
			SqlParameter[] parameters = {
					new SqlParameter("@Dishid", SqlDbType.Int,4),
					new SqlParameter("@element_name", SqlDbType.VarChar,200),
					new SqlParameter("@Content", SqlDbType.VarChar,200),
					new SqlParameter("@fatherid", SqlDbType.VarChar,200),
					new SqlParameter("@temp1", SqlDbType.VarChar,200),
					new SqlParameter("@temp2", SqlDbType.VarChar,200)};
			parameters[0].Value = model.Dishid;
			parameters[1].Value = model.element_name;
			parameters[2].Value = model.Content;
			parameters[3].Value = model.fatherid;
			parameters[4].Value = model.temp1;
			parameters[5].Value = model.temp2;

			object obj = DbHelperSQL.GetSingle(strSql.ToString(),parameters);
			if (obj == null)
			{
				return 0;
			}
			else
			{
				return Convert.ToInt32(obj);
			}
		}
		/// <summary>
		/// 更新一条数据
		/// </summary>
		public bool Update(Catering_Model.DishNutrien model)
		{
			StringBuilder strSql=new StringBuilder();
			strSql.Append("update DishNutrien set ");
			strSql.Append("Dishid=@Dishid,");
			strSql.Append("element_name=@element_name,");
			strSql.Append("Content=@Content,");
			strSql.Append("fatherid=@fatherid,");
			strSql.Append("temp1=@temp1,");
			strSql.Append("temp2=@temp2");
			strSql.Append(" where id=@id");
			SqlParameter[] parameters = {
					new SqlParameter("@Dishid", SqlDbType.Int,4),
					new SqlParameter("@element_name", SqlDbType.VarChar,200),
					new SqlParameter("@Content", SqlDbType.VarChar,200),
					new SqlParameter("@fatherid", SqlDbType.VarChar,200),
					new SqlParameter("@temp1", SqlDbType.VarChar,200),
					new SqlParameter("@temp2", SqlDbType.VarChar,200),
					new SqlParameter("@id", SqlDbType.Int,4)};
			parameters[0].Value = model.Dishid;
			parameters[1].Value = model.element_name;
			parameters[2].Value = model.Content;
			parameters[3].Value = model.fatherid;
			parameters[4].Value = model.temp1;
			parameters[5].Value = model.temp2;
			parameters[6].Value = model.id;

			int rows=DbHelperSQL.ExecuteSql(strSql.ToString(),parameters);
			if (rows > 0)
			{
				return true;
			}
			else
			{
				return false;
			}
		}

		/// <summary>
		/// 删除一条数据
		/// </summary>
		public bool Delete(int id)
		{
			
			StringBuilder strSql=new StringBuilder();
			strSql.Append("delete from DishNutrien ");
			strSql.Append(" where id=@id");
			SqlParameter[] parameters = {
					new SqlParameter("@id", SqlDbType.Int,4)
};
			parameters[0].Value = id;

			int rows=DbHelperSQL.ExecuteSql(strSql.ToString(),parameters);
			if (rows > 0)
			{
				return true;
			}
			else
			{
				return false;
			}
		}
		/// <summary>
		/// 批量删除数据
		/// </summary>
		public bool DeleteList(string idlist )
		{
			StringBuilder strSql=new StringBuilder();
			strSql.Append("delete from DishNutrien ");
			strSql.Append(" where id in ("+idlist + ")  ");
			int rows=DbHelperSQL.ExecuteSql(strSql.ToString());
			if (rows > 0)
			{
				return true;
			}
			else
			{
				return false;
			}
		}

        /// <summary>
        /// 批量删除数据
        /// </summary>
        public bool DeleteListBywhere(string where)
        {
            StringBuilder strSql = new StringBuilder();
            strSql.Append("delete from DishNutrien ");
            strSql.Append(" where " + where + "");
            int rows = DbHelperSQL.ExecuteSql(strSql.ToString());
            if (rows > 0)
            {
                return true;
            }
            else
            {
                return false;
            }
        }


		/// <summary>
		/// 得到一个对象实体
		/// </summary>
		public Catering_Model.DishNutrien GetModel(int id)
		{
			
			StringBuilder strSql=new StringBuilder();
			strSql.Append("select  top 1 id,Dishid,element_name,Content,fatherid,temp1,temp2 from DishNutrien ");
			strSql.Append(" where id=@id");
			SqlParameter[] parameters = {
					new SqlParameter("@id", SqlDbType.Int,4)
};
			parameters[0].Value = id;

			Catering_Model.DishNutrien model=new Catering_Model.DishNutrien();
			DataSet ds=DbHelperSQL.Query(strSql.ToString(),parameters);
			if(ds.Tables[0].Rows.Count>0)
			{
				if(ds.Tables[0].Rows[0]["id"]!=null && ds.Tables[0].Rows[0]["id"].ToString()!="")
				{
					model.id=int.Parse(ds.Tables[0].Rows[0]["id"].ToString());
				}
				if(ds.Tables[0].Rows[0]["Dishid"]!=null && ds.Tables[0].Rows[0]["Dishid"].ToString()!="")
				{
					model.Dishid=int.Parse(ds.Tables[0].Rows[0]["Dishid"].ToString());
				}
				if(ds.Tables[0].Rows[0]["element_name"]!=null && ds.Tables[0].Rows[0]["element_name"].ToString()!="")
				{
					model.element_name=ds.Tables[0].Rows[0]["element_name"].ToString();
				}
				if(ds.Tables[0].Rows[0]["Content"]!=null && ds.Tables[0].Rows[0]["Content"].ToString()!="")
				{
					model.Content=ds.Tables[0].Rows[0]["Content"].ToString();
				}
				if(ds.Tables[0].Rows[0]["fatherid"]!=null && ds.Tables[0].Rows[0]["fatherid"].ToString()!="")
				{
					model.fatherid=ds.Tables[0].Rows[0]["fatherid"].ToString();
				}
				if(ds.Tables[0].Rows[0]["temp1"]!=null && ds.Tables[0].Rows[0]["temp1"].ToString()!="")
				{
					model.temp1=ds.Tables[0].Rows[0]["temp1"].ToString();
				}
				if(ds.Tables[0].Rows[0]["temp2"]!=null && ds.Tables[0].Rows[0]["temp2"].ToString()!="")
				{
					model.temp2=ds.Tables[0].Rows[0]["temp2"].ToString();
				}
				return model;
			}
			else
			{
				return null;
			}
		}

		/// <summary>
		/// 获得数据列表
		/// </summary>
		public DataSet GetList(string strWhere)
		{
			StringBuilder strSql=new StringBuilder();
			strSql.Append("select id,Dishid,element_name,Content,fatherid,temp1,temp2 ");
			strSql.Append(" FROM DishNutrien ");
			if(strWhere.Trim()!="")
			{
				strSql.Append(" where "+strWhere);
			}
			return DbHelperSQL.Query(strSql.ToString());
		}

		/// <summary>
		/// 获得前几行数据
		/// </summary>
		public DataSet GetList(int Top,string strWhere,string filedOrder)
		{
			StringBuilder strSql=new StringBuilder();
			strSql.Append("select ");
			if(Top>0)
			{
				strSql.Append(" top "+Top.ToString());
			}
			strSql.Append(" id,Dishid,element_name,Content,fatherid,temp1,temp2 ");
			strSql.Append(" FROM DishNutrien ");
			if(strWhere.Trim()!="")
			{
				strSql.Append(" where "+strWhere);
			}
			strSql.Append(" order by " + filedOrder);
			return DbHelperSQL.Query(strSql.ToString());
		}

        /// <summary>
        /// 通过菜ID集合获取元素含量总和
        /// </summary>
        public DataSet GetDishNutrienSumByid(string idlist)
        {
            StringBuilder sb = new StringBuilder();
            sb.Append("select sum(CONVERT(int,Content)) as Content,element_name,fatherid from DishNutrien ");
            sb.Append("where DIshid in ("+idlist+") ");
            sb.Append("group by fatherid,element_name ");
            sb.Append("order by Convert(int,fatherid)");
            return DbHelperSQL.Query(sb.ToString());
        }

		/*
		/// <summary>
		/// 分页获取数据列表
		/// </summary>
		public DataSet GetList(int PageSize,int PageIndex,string strWhere)
		{
			SqlParameter[] parameters = {
					new SqlParameter("@tblName", SqlDbType.VarChar, 255),
					new SqlParameter("@fldName", SqlDbType.VarChar, 255),
					new SqlParameter("@PageSize", SqlDbType.Int),
					new SqlParameter("@PageIndex", SqlDbType.Int),
					new SqlParameter("@IsReCount", SqlDbType.Bit),
					new SqlParameter("@OrderType", SqlDbType.Bit),
					new SqlParameter("@strWhere", SqlDbType.VarChar,1000),
					};
			parameters[0].Value = "DishNutrien";
			parameters[1].Value = "id";
			parameters[2].Value = PageSize;
			parameters[3].Value = PageIndex;
			parameters[4].Value = 0;
			parameters[5].Value = 0;
			parameters[6].Value = strWhere;	
			return DbHelperSQL.RunProcedure("UP_GetRecordByPage",parameters,"ds");
		}*/

		#endregion  Method
	}
}

